Genuine OEM Audi Brake Disc, part number 8E0615602D. This ventilated brake disc is a critical component of the vehicle's braking system, responsible for dissipating heat generated during braking. It is typically installed on the front or rear axle. This brake disc has a diameter of 324mm and a thickness of 40mm. Genuine OEM brake discs are manufactured to precise tolerances for optimal performance, longevity, and safety, ensuring consistent braking force and heat management.